64 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... • Shin splints ... Brittle nails - Skin ... skin • Inflammation
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... • Rheumatic fever ... Scleroderma Thickened skin ... arthritis Discoid skin ... #skin #rashes #
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... syndrome (SSS) ... includes Kawasaki disease ... #Differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... lesions Abdominal pain ... (20%) Renal disease ... erythematosus #signs
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Medical History: • Skin ... localizing signs ... leptospirosis • Skin ... Rickettsioses, bacterial skin ... • Abdominal pain
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
) is a skin condition ... inflamed or blistered skin ... with systemic disease ... development of skin ... deeper into the skin
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... Coxsackie, CMV, EBV, HIV
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Kawasaki Disease: Clinical Findings
Diagnostic Criteria - Fever and 4/5 of the following:
 • Conjunctivitis
 • Polymorphous
Kawasaki Disease ... Diagnostic Criteria - Fever ... • Polymorphous rash ... hands & feet Signs ... - Generalized Skin
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... rash in association ... Fever >38.5 2. ... Skin involvement ... Resolution > 15 days Differentials